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Commit a68fab3a authored by Liam Mark's avatar Liam Mark
Browse files

frameworks/base: add app launch timeline instrumentation 

Displayed Activity is often being used to measure application
launch times. However Displayed Activity only accounts for a
subset of the app launch. This additional instrumentation will
allow for more accurate measurements of applications launch
times.

Change-Id: Ic0bc6f0110c3ecbbce9eccd9357818a8a898475e
parent 0823a725

core/java/android/app/ActivityManagerNative.java

+10 −0
Original line number Diff line number Diff line
@@ -42,6 +42,7 @@ import android.os.Parcelable; 
import android.os.RemoteException;

import android.os.ServiceManager;

import android.os.StrictMode;

import android.os.SystemClock;

import android.text.TextUtils;

import android.util.Log;

import android.util.Singleton;
@@ -2070,6 +2071,13 @@ class ActivityManagerProxy implements IActivityManager 
            ParcelFileDescriptor profileFd, Bundle options) throws RemoteException {

        Parcel data = Parcel.obtain();

        Parcel reply = Parcel.obtain();



        if (intent.getComponent() != null) {

            Log.i("ActivityManager", "Timeline: Activity_launch_request id:"

                    + intent.getComponent().getPackageName() + " time:"

                    + SystemClock.uptimeMillis());

        }



        data.writeInterfaceToken(IActivityManager.descriptor);

        data.writeStrongBinder(caller != null ? caller.asBinder() : null);

        data.writeString(callingPackage);
@@ -2419,6 +2427,8 @@ class ActivityManagerProxy implements IActivityManager 
    public void activityIdle(IBinder token, Configuration config, boolean stopProfiling)

            throws RemoteException

    {

        Log.i("ActivityManager", "Timeline: Activity_idle id: " + token + " time:"

                + SystemClock.uptimeMillis());

        Parcel data = Parcel.obtain();

        Parcel reply = Parcel.obtain();

        data.writeInterfaceToken(IActivityManager.descriptor);

services/java/com/android/server/am/ActivityRecord.java

+2 −0
Original line number Diff line number Diff line
@@ -924,6 +924,8 @@ final class ActivityRecord { 
                service.scheduleAppGcsLocked();

            }

        }

        Log.i(ActivityManagerService.TAG, "Timeline: Activity_windows_visible id: "

                + this + " time:" + SystemClock.uptimeMillis());

    }



    public void windowsGone() {